<template>
    <div class='count'>
        <h1>{{count}}</h1>
        <button @click='add'>累加</button>
    </div>
</template>
<script>
export default {
    name:'MyCount',
    data(){
        return {
            count:0,
        }
    },
    methods: {
        add(){
            this.count++;
        }
    },
}
</script>
<style scoped>
.count{
    background-color: currentColor;
    height: 200px;
}
</style>